org.apache.fop.render.afp.extensions.AFPPageSetupElement Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id: AFPPageSetupElement.java 1465599 2013-04-08 11:51:52Z vhennebert $ */
package org.apache.fop.render.afp.extensions;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.extensions.ExtensionAttachment;
/**
* This class extends the org.apache.fop.extensions.ExtensionObj class. The
* object facilitates extraction of elements from formatted objects based on
* the static list as defined in the AFPElementMapping implementation.
*/
public class AFPPageSetupElement extends AbstractAFPExtensionObject {
private static final String ATT_ENCODING = "encoding";
private static final String ATT_SRC = "src";
/**
* Constructs an AFP object (called by Maker).
*
* @param parent the parent formatting object
* @param name the name of the afp element
*/
public AFPPageSetupElement(FONode parent, String name) {
super(parent, name);
}
private AFPPageSetup getPageSetupAttachment() {
return (AFPPageSetup)getExtensionAttachment();
}
/** {@inheritDoc} */
@Override
public void startOfNode() throws FOPException {
super.startOfNode();
if (AFPElementMapping.TAG_LOGICAL_ELEMENT.equals(getLocalName())) {
if (parent.getNameId() != Constants.FO_SIMPLE_PAGE_MASTER
&& parent.getNameId() != Constants.FO_PAGE_SEQUENCE) {
invalidChildError(getLocator(), parent.getName(), getNamespaceURI(), getName(),
"rule.childOfPageSequenceOrSPM");
}
} else {
if (parent.getNameId() != Constants.FO_SIMPLE_PAGE_MASTER
&& parent.getNameId() != Constants.FO_PAGE_SEQUENCE
&& parent.getNameId() != Constants.FO_DECLARATIONS) {
invalidChildError(getLocator(), parent.getName(), getNamespaceURI(), getName(),
"rule.childOfSPMorPSorDeclarations");
}
}
}
/** {@inheritDoc} */
@Override
protected void characters(char[] data, int start, int length,
PropertyList pList, Locator locator) throws FOPException {
StringBuffer sb = new StringBuffer();
AFPPageSetup pageSetup = getPageSetupAttachment();
if (pageSetup.getContent() != null) {
sb.append(pageSetup.getContent());
}
sb.append(data, start, length);
pageSetup.setContent(sb.toString());
}
/** {@inheritDoc} */
@Override
public void processNode(String elementName, Locator locator,
Attributes attlist, PropertyList propertyList)
throws FOPException {
super.processNode(elementName, locator, attlist, propertyList);
AFPPageSetup pageSetup = getPageSetupAttachment();
if (AFPElementMapping.INCLUDE_PAGE_SEGMENT.equals(elementName)) {
String attr = attlist.getValue(ATT_SRC);
if (attr != null && attr.length() > 0) {
pageSetup.setValue(attr);
} else {
missingPropertyError(ATT_SRC);
}
} else if (AFPElementMapping.TAG_LOGICAL_ELEMENT.equals(elementName)) {
String attr = attlist.getValue(AFPPageSetup.ATT_VALUE);
if (attr != null && attr.length() > 0) {
pageSetup.setValue(attr);
} else {
missingPropertyError(AFPPageSetup.ATT_VALUE);
}
attr = attlist.getValue(ATT_ENCODING);
if (attr != null) {
try {
pageSetup.setEncoding(Integer.parseInt(attr));
} catch (NumberFormatException nfe) {
invalidPropertyValueError(ATT_ENCODING, attr, nfe);
}
}
}
String placement = attlist.getValue(AFPPageSetup.ATT_PLACEMENT);
if (placement != null && placement.length() > 0) {
pageSetup.setPlacement(ExtensionPlacement.fromXMLValue(placement));
}
}
/** {@inheritDoc} */
@Override
protected ExtensionAttachment instantiateExtensionAttachment() {
return new AFPPageSetup(getLocalName());
}
}